Other names: SDSS J075540.94+400918.0
Parameter | Unit | SDSS DR12 | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|
Right ascension | 07 55 40.94 | 07 55 40.94 | 07 55 40.94 | |
Declination | 40 09 17.94 | 40 09 18.00 | 40 09 17.97 | |
Spectral type | PG1159 | PG1159 | ||
Effective temperature | [K] | 100000 | ||
log(g) | [cgs] | 5.01 | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
Parallax | [mas] | |||
Distance | [pc] | |||
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -6.0 | ||
Proper motion (declination) | [mas/yr] | 2.0 | ||
Variability | ||||
Magnetic | ||||
Has a disc | ||||
B magnitude | 17.00 | |||
V magnitude | 17.53 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | ||||
H magnitude | ||||
K magnitude | ||||
u magnitude | 16.99 | 17.00 | 17.00 | |
g magnitude | 17.47 | 17.49 | 17.49 | |
r magnitude | 18.05 | 18.05 | 18.05 | |
i magnitude | 18.41 | 18.42 | 18.42 | |
z magnitude | 18.75 | 18.75 | 18.75 |